Alright, let's work through 1983 times 6793 step by step
1983 × 6793 = 6793 × (1983)
+ 6793 × 3 that is equal 20379
+ 6793 × 80 yielding 543440
+ 6793 × 900 that is equal 6113700
+ 6793 × 1000 that is equal 6793000

= 13470519
